1. Kyoto Institute of Health Sciences; Kyoto; Japan
2. Division of Clinical Nutrition and Internal Medicine; Okayama Prefectural University; Okayama; Japan
3. Kyoto Preventive Medical Center; Kyoto; Japan
4. School of Health Sciences, Faculty of Medicine; Kyoto University; Japan
5. Department of Clinical Trial Design and Management Translational Research Center; Kyoto University Hospital; Kyoto; Japan